The woman ____ is talking to my mother is a friend of hers.
Jack went to college last year, _________ to return home until he achieves his goal.
— What’s that terrible noise? — The boys _________ for a party.
Every minute is made full use of _________ our lessons before the exam.
Help is needed for families _________ homes were destroyed during the earthquake.
Adam behaved _________ he had never heard such a thing before.